BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:U0126, U0129, U0142, U0293

DTC Code DTC Name
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0142 Lost Communication with Body Control Module "B"
U0293 Lost Communication with HV ECU

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor.

Tech Tips

If CAN communication system DTCs are stored, they may also be stored for other systems.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0126 Lost Communication with Steering Angle Sensor Module Lost communication with steering sensor CAN communication system
U0129 Lost Communication with Brake System Control Module Lost communication with brake system CAN communication system
U0142 Lost Communication with Body Control Module "B" Lost communication with main body ECU CAN communication system
U0293 Lost Communication with HV ECU Lost communication with power management control ECU CAN communication system

CAUTION / NOTICE / HINT

Note

When checking for DTCs, make sure that the blind spot monitor main switch (warning canceling switch assembly) is on.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Blind Spot Monitor Master > Clear DTCs
      Body Electrical > Blind Spot Monitor Slave > Clear DTCs

    2. Recheck for DTCs and check if the same DTC is output again.


      Body Electrical > Blind Spot Monitor Master > Trouble Codes
      Body Electrical > Blind Spot Monitor Slave > Trouble Codes
      Result
      Result Proceed to
      DTCs are output A
      No DTCs are output B

      Tech Tips


      • If CAN communication system DTCs are stored, they may also be stored for other systems.

      • If the CAN communication system has been inspected and repaired, the DTCs will not be output when rechecking for DTCs.

      • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.

        Click here


    A

    GO TO CAN COMMUNICATION SYSTEM Click here

    B

    USE SIMULATION METHOD TO CHECK Click here